Audi News Blog

If we had to imagine the ultimate B7 RS 4 build, we'd likely not be far from the project currently built by Advance Technologies, HT Motorsport and EFI Express for owner Bryan Whitmore. Effectively Whitmore wanted a twin turbo 4.2 FSI engine from the C5 RS 6 swapped into his RS 4. And while that might be enough to satisfy most, Bryan and his burgeoning team are going so, so much
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